| # | Company | Employees |
|---|---|---|
| 1 |
UGLugllimited.com
Specialist provider of engineering, services, and operations across transport, energy, infrastructure, defence, telecommunications, and technology sectors in Australia. |
11,677 |
| 2 |
Ventiaventia.com
Ventia provides essential, safe, and sustainable services in various sectors to make infrastructure work for communities in Australia and New Zealand |
10,259 |
| 3 |
SMEC (an SJ Group company)smec.com
Global engineering consultancy specializing in urban development, infrastructure, and management services Providing design leadership and advisory services across various sectors |
7,311 |
| 4 |
nbnยฎ Australianbn.com.au
Operates national broadband network enabling providers to deliver fast, reliable, secure internet services across Australia with community engagement. |
5,287 |
| 5 |
CPB Contractorscpbcon.com.au
A trusted contractor building vital infrastructure in Australia and New Zealand, focusing on connectivity and sustainability for the future |
5,139 |
| 6 |
Australian Catholic Universityacu.edu.au
A university that values meaningful work, diversity, and community Fostering excellence in research, teaching, and service across multiple campuses |
4,798 |
| 7 |
Ninenineforbrands.com.au
Largest Australian media company with assets in TV, print, digital, radio, and subscription video, delivering trusted news and entertainment content. |
4,106 |
| 8 |
Roads and Maritime Servicesgov.au
A multi-modal transport agency under Transport for NSW, focusing on improving transportation for people and goods through various initiatives and infrastructure improvements |
3,552 |
| 9 |
Broadspectrumventia.com
A leading essential infrastructure services provider in Australia and New Zealand, ensuring infrastructure functions effectively for local communities |
2,731 |
| 10 |
Salmatwordpress.com
A leading Australian marketing services provider helping clients connect with customers through targeted letterbox and online channels to reach, convert, and serve customers effectively |
2,246 |
| 11 |
Pacific Nationalpacificnational.com.au
Largest Australian rail freight provider hauling coal, containers, steel, and bulk commodities, prioritizing safety and nationwide operations. |
2,084 |
| 12 |
TPGtpg.com.au
Leading provider of fixed broadband and communication services in Australia, offering NBN, ADSL2+, Fibre Optic, mobile plans, and networking solutions with own infrastructure and submarine cable connectivity |
1,747 |
| 13 |
Secure Parkingsecureparking.com.au
A leading service provider in parking solutions, part of a global organization, focused on innovative technology and customer satisfaction, with a strong company culture and values |
1,500 |
| 14 |
Advisianadvisian.com
Advisian provides comprehensive consulting services to solve resource, energy, and infrastructure challenges worldwide, delivering strategic, practical, and commercially oriented solutions |
1,360 |
| 15 |
Stellarprobecx.com
A global customer experience management organization specializing in contact center outsourcing, CX consulting, automation, analytics, and co-innovation with clients |
1,118 |
| 16 |
oOh!oohmedia.com.au
Leading outdoor advertising company with extensive digital and classic assets, connecting brands to millions across Australia and New Zealand weekly. |
997 |
| 17 |
ARNarn.com.au
A progressive and dynamic media and entertainment provider offering a complete audio experience with broadcast and on-demand content in Australia |
944 |
| 18 |
Bisbisindustries.com
A leading resources logistics company specializing in providing supply chain solutions, materials handling, and specialized equipment to the mineral resources sector in Australia |
899 |
| 19 |
ADCO Constructionsadcoconstruct.com.au
Constructs iconic community projects like hospitals, schools, and retail centers. Specializes in non-residential construction across various sectors, utilizing diverse procurement methods. |
883 |
| 20 |
Hollard Insurance Australiahollard.com.au
Distribution of diverse insurance products including life, income protection, pet, home, contents, and motor insurance for customers. |
860 |
| 21 |
AirTrunkairtrunk.com
Rapidly expanding technology provider delivering hyperscale data centers across APJ to meet the needs of influential tech companies |
776 |
| 22 |
Laser Clinics Australialaserclinics.com.au
Industry-leading provider of laser hair removal, skin treatments, and cosmetic injections with over 200 clinics, 900,000+ customers, and numerous awards for excellence |
757 |
| 23 |
Holcim Australiaholcim.com.au
Global construction materials company offering innovative and sustainable solutions in cement, concrete, and aggregates Committed to health, safety, sustainability, and creating value for stakeholders |
749 |
| 24 |
Pepper Money ANZpeppermoney.com.au
Providing flexible home, car, commercial, equipment, and personal loans to help Australians and New Zealanders achieve financial goals. |
681 |
| 25 | 611 | |
| 26 |
Ardent Leisure Groupcoastentertainment.com.au
A leisure and entertainment group owning and operating theme parks, attractions, and family entertainment assets in Australia and the United States |
567 |
| 27 |
FUJIFILM Data Management Solutionsfujifilmdms.com
Specializing in personalized communication, our multi-channel approach helps organizations connect with customers to enhance their experience and drive loyalty |
566 |
| 28 |
SGKsgkinc.com
A leading Australian design agency that transforms packaging to amplify brands, enabling them to grow stronger and scale faster |
546 |
| 29 |
TTWttw.com.au
A privately owned company of award-winning consulting engineers specializing in innovative, economical, and elegant designs for complex projects in various sectors |
533 |
| 30 |
Objective Corporationobjective.com.au
Develop software solutions for public sector organizations to enhance policy development, accelerate processes, and ensure secure, digital governance. |
499 |
| 31 |
BAI Communicationsbaicommunications.com
Extensive broadcast network delivering TV and radio services, enabling 5G coverage, smart precincts, and mission-critical communications for various sectors. |
483 |
| 32 |
CNScns.global
This company specializes in Cloud, Networking, and Security solutions, with a focus on providing IT managed services and support globally |
474 |
| 33 |
Gamuda Australiagamuda.com.au
Established in 1976, Gamuda delivers innovative infrastructure, concessions, and communities development internationally while focusing on core businesses in Australia |
465 |
| 34 |
Equifax Australiaequifax.com.au
Providing tools for individuals to monitor their credit scores, understand financial factors, and safeguard personal identity by detecting potential fraud and monitoring private information online. |
441 |
| 35 |
SHOREshore.nsw.edu.au
A school with origins dating back to 1845, founded to provide education in accordance with Church of England principles |
441 |
| 36 |
CIMIC Groupcimic.com.au
Engineering-led construction, mining, services, and infrastructure development across asset lifecycles, supported by specialized subsidiaries and a strong safety focus. |
432 |
| 37 |
Starlight Children's Foundation Australiastarlight.org.au
Non-profit organization brightening the lives of seriously ill and hospitalised children with fun and joy through various programs and initiatives |
423 |
| 38 |
Iplex Pipelinesiplex.com.au
Providing innovative and secure pipeline products and solutions for water, agriculture, residential, urban, civil, and mining infrastructure markets. |
408 |
| 39 |
HCLTech - Australia and New Zealandhcltech.com
Global technology leader with over 223,400 employees in 60 countries, offering digital, engineering, cloud, AI services across various industries worldwide |
389 |
| 40 |
Onsite Rental Grouponsite.com.au
Specialist B2B equipment rental management business offering total rental management solutions with a focus on mining, industrial, and construction markets |
383 |
| 41 |
Cover-Morecovermore.com.au
Leading Australian travel insurance provider offering global support, emergency assistance, and partnerships with airlines, banks, and sporting clubs. |
373 |
| 42 |
NextGennextgen.net
Leading technology partner in the lending industry, offering electronic home loan processing and open banking solutions to make lending easier for banks and mortgage brokers |
373 |
| 43 |
NEXTGENnextgen.group
A pioneering technology services group supporting the channel ecosystem by managing a portfolio of vendors and providing innovative solutions across IT areas |
372 |
| 44 |
Hindmarshhindmarsh.com.au
A leading property and construction organization with over 40 years of experience, specializing in residential, commercial, and retirement developments across Australia |
359 |
| 45 |
FleetPartnersfleetpartners.com.au
A vehicle leasing and fleet management group offering solutions for businesses to manage their fleets and employees to maximize salary benefits |
356 |
| 46 |
Best Western Australasiajoinbwhhotels.com.au
Global hospitality network comprising WorldHotels, Best Western Hotels & Resorts, and SureStay Hotels, with 4,700 hotels worldwide in 19 diverse brands |
346 |
| 47 |
Flight Centre Business Travel - Australiaflightcentre.com.au
A specialist in corporate travel for Australian emerging and SME businesses, FCBT offers tailored solutions with a focus on relationships and outstanding service |
345 |
| 48 |
Shiftshift.com.au
This company offers credit and payment products to help businesses manage cashflow, purchase assets, and choose financial products for growth |
330 |
| 49 |
Cubewisecubewise.com
Specializing in TM1 and Planning Analytics, we offer education, software, support, and consulting services globally to help organizations maximize their FP&A capabilities and overcome Excel limitations |
314 |
| 50 |
Heliahelia.com.au
A leading provider of Lenders Mortgage Insurance in Australia, facilitating residential mortgage lending and supporting home ownership through risk transfer solutions |
313 |
| 51 |
Wenona Schoolwenona.nsw.edu.au
An all-girls school founded on Christian principles, empowering young women to be confident, compassionate, and proactive leaders in their communities |
308 |
| 52 |
North Sydney Councilnorthsydney.nsw.gov.au
Local government serving North Sydney, providing services and facilities to over 70,000 residents and visitors in picturesque parks, village centers, and education precincts |
307 |
| 53 |
Humanforcehumanforce.com
Humanforce offers a comprehensive HCM suite for frontline and flexible workforces to streamline WFM, HR, and Payroll processes, focusing on employee needs and business efficiency |
297 |
| 54 |
Sandstone Technologysandstonetechnology.com
A fintech innovator with over 25 years of experience, providing scalable and robust end-to-end financial solutions for banks globally |
295 |
| 55 |
FUJIFILM MicroChannelmicrochannel.com.au
Award-winning business technology solutions provider empowering customers in Australia, New Zealand, Fiji, Singapore, and South East Asia Specializing in ERP, CRM, BI, Retail, E-Commerce, and IT services |
261 |
| 56 |
Tata Consultancy Services - Australia and New Zealandtcs.com
IT services, consulting, and business solutions organization with over 55 years of experience, offering innovative services through a consulting-led approach |
255 |
| 57 |
CHU Underwriting Agencieschu.com.au
Largest Australian strata insurance underwriting agency providing tailored insurance solutions for residents, commercial strata, community associations, and landlords. |
249 |
| 58 |
enablesGROUPenablesgroup.com
Providing trusted, high-quality operations and outsourcing services with a design-led approach, serving over 100 global clients since 2016. |
233 |
| 59 |
Insurance Advisernet Australiainsuranceadviser.net
Insurance Advisernet Australia offers expertise in insurance programs, with access to a wide range of products and services, aiming to provide tailored coverage for assets and liabilities |
216 |
| 60 |
Taylor | Australiataylorau.com.au
A construction and property delivery partner specializing in construction, refurbishment, and property projects with a focus on creating enduring spaces for end users |
203 |
| 61 |
Napoleon Perdis Cosmeticsnapoleonperdis.com
premium beauty brand offering inclusive makeup products, training thousands of makeup artists, and providing services through multiple retail channels. |
196 |
| 62 |
NSW Business Chamberbusinessnsw.com
This account is inactive Visit the link provided for the latest updates and content from the organization |
190 |
| 63 |
Veda (now Equifax)equifax.com.au
Global data, analytics, and technology provider, empowering customers with insights to make informed decisions on credit risk, identity verification, and fraud prevention |
186 |
| 64 |
EPI-USE APJepiuse.com.au
A global group specializing in SAP HR/Payroll systems, with a unique approach to philanthropy focusing on wildlife conservation and economic upliftment |
186 |
| 65 |
George & Matilda Eyecaregeorgeandmatilda.com.au
Locally owned optometry collective offering a unique partnership model for independent optometrists Focus on personalized service, stylish eyewear, and solving lifestyle needs |
179 |
| 66 |
Soprano Designsopranodesign.com
A leading provider of mobile messaging technology for enterprises and mobile network carriers worldwide, offering CPaaS solutions for trusted mobile interactions |
178 |
| 67 |
Monte Sant'โ Angelo Mercy Collegemonte.nsw.edu.au
A Catholic independent secondary school for girls, founded in 1875, focused on empowering young women through education, spirituality, and personal development |
176 |
| 68 |
Lipman Pty Ltdlipman.com.au
Australian family-owned construction business with over 55 years of experience in building commercial, educational, and industrial projects in Sydney and NSW |
176 |
| 69 |
Camp Qualitycampquality.org.au
Organization dedicated to bringing positivity, fun, and laughter to children facing cancer, offering programs to build optimism and resilience for families |
175 |
| 70 |
Energy One Limitedenergyone.com
Global supplier of software and services for wholesale energy, environmental, and carbon trading markets with 24/7 operational support. |
172 |
| 71 |
Acumen Healthacumenhealth.com.au
A network of health brands delivering allied health services including personal injury, occupational health, disability support, and community allied health |
172 |
| 72 |
Catholic Missioncatholicmission.org.au
This organization provides funding and support to church initiatives worldwide, promoting mission formation and engagement through prayer, fundraising, and action |
163 |
| 73 |
Finleasefinlease.com.au
Specialist equipment and property finance brokers with over 30 years of experience, offering a wide range of financial solutions to clients nationwide |
162 |
| 74 |
Kwik Kopy Australia Pty Ltdkwikkopy.com.au
A trusted Australian family business helping achieve unique goals by providing printing and marketing solutions to transform businesses and communities |
159 |
| 75 |
Strata Community Insurancestratacommunityinsure.com.au
Specializing in strata and community title insurance, we provide expert guidance and tailored coverage to protect investments, backed by industry-leading specialists |
157 |
| 76 |
Metrometroprop.com.au
Bringing people together to find ideal locations, create community visions, and deliver high-quality, liveable homes with value and connection |
157 |
| 77 |
Gidget Foundation Australiagidgetfoundation.org.au
A not-for-profit organization promoting emotional wellbeing for expectant and new parents, raising awareness of perinatal anxiety and depression, providing support programs, education, and advocacy |
156 |
| 78 |
Thinktank Property Financethinktank.net.au
A non-traditional lender offering transparent, straightforward commercial property finance solutions without hidden fees or complexities, focused on providing the best deals for borrowers |
156 |
| 79 |
New Forestsnewforests.com
Global investment manager of nature-based real assets and natural capital strategies, with a focus on sustainable timber plantations, conservation finance projects, and regional economic development |
153 |
| 80 |
Erilyanerilyan.com.au
Innovative construction solutions with a focus on authentic communication, partnerships, and high-quality results for commercial projects nationwide |
153 |
| 81 |
Hort Innovationhorticulture.com.au
A grower-owned R&D corporation supporting Australia's $16B horticulture industry through partnerships with growers and research providers for innovation and growth |
151 |
| 82 |
CIHE Australiacihe.edu.au
The company provides high-quality education to help students achieve their professional and personal goals through transformative learning experiences and comprehensive curriculum |
151 |
| 83 |
nextmedia Pty Ltdnextmedia.com.au
Leading Australian publisher of specialist B2B & B2C magazines and websites, offering targeted advertising opportunities and engaging content to diverse demographics |
147 |
| 84 |
Minetekminetek.com
Global industry leaders providing innovative air, water, sound & power solutions for mining, oil & gas, and industrial sectors worldwide Over 2800 successful projects delivered |
146 |
| 85 |
Avolutionavolutionsoftware.com
Provider of ABACUS toolset for managing enterprise architecture, IT strategy, and digital transformation with advanced analytics, roadmapping, and reporting functionality |
86 |
| 86 |
Nexlnexl.cloud
AI-driven platform uniting front-office functions to accelerate revenue, deepen client relationships, and empower lawyers in business development. |
80 |
| 87 |
Carreracarreraconsulting.com.au
The company is a People & Performance Consultancy providing recruitment and talent management services to support clients in attracting, engaging, and developing top talent |
60 |
| 88 |
Movenpick Ice Creammoevenpick-icecream.com
This company specializes in creating high-quality ice cream using the finest natural ingredients, available in various locations and through Uber Eats and Crust stores |
55 |
| 89 |
IPscapeipscape.com
It provides AI-powered contact center solutions for seamless customer experiences across various channels, enhancing trust, loyalty, and engagement. |
41 |
| 90 |
Lotsearch | Spatial Intelligence | Mapping Risklotsearch.com.au
Providing environmental due diligence reports and geospatial solutions for land and property risk identification, covering contaminated land, natural hazards, and planning constraints. |
20 |
| 91 |
Newport Capital Groupnewportcapital.com.au
Australia's leading M&A investment banking firm specializing in TMET sector, advising on mergers, acquisitions, divestments, debt advisory, and capital raisings |
19 |
| 92 |
Walsh & Companywalshandco.com.au
Global funds management firm with over $5 billion in assets under management, offering innovative investment solutions across various asset classes worldwide Discover new investment opportunities |
15 |
| 93 |
Phillips Financialphillipsfamilyoffice.com.au
A leading financial advisory and investment management firm offering customised strategies to manage finances and investments for a diverse client base |
11 |
| 94 |
COG Advertisingcogadvertising.com.au
COG Advertising offers creative branding services, becoming an integral part of clients' teams to craft impactful narratives that resonate with target audiences |
10 |
Turn this list into pipeline
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
The same list elsewhere in Australia
- The largest companies in Australia 5,006
- The largest companies in New South Wales 1,815
- The largest companies in Victoria 1,521
- The largest companies in Queensland 674
- The largest companies in Western Australia 437
- The largest companies in South Australia 254
- The largest companies in Tasmania 48
- The largest companies in Sydney 804
- The largest companies in Melbourne 576
- The largest companies in Brisbane 200
- The largest companies in Perth 170
- The largest companies in Adelaide 132
- The largest companies in Canberra 64
- The largest companies in Surry Hills 40
- The largest companies in Docklands 37
- The largest companies in Richmond 36
- The largest companies in South Melbourne 36
- The largest companies in Alexandria 31
- The largest companies in Southbank 31
- The largest companies in Macquarie Park 30
- The largest companies in Chatswood 29
- The largest companies in Fortitude Valley 29
- The largest companies in North Ryde 28
- The largest companies in Port Melbourne 28